M4.5 earthquake 79 km SSW of Colchane, Chile
A magnitude 4.5 earthquake struck 79 km SSW of Colchane, Chile on Fri, Jan 20, 2023, 7:47 PM GMT-3 (22:47 UTC), 124 km (77 mi) below the surface.
A larger quake followed: M5.0 106 km SE of Colchane, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-01-20 22:47:25 UTC
- Depth
- 123.6 km (76.8 mi), intermediate-depth
- Epicenter
- 19.945° S, 68.925° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.0 km horizontally, 8.0 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 70°
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.3111 km ENE of Iquique, Chile · 1346 days ago · 119 km deep · 41 km away · felt by 2
- 4.649 km SSE of Colchane, Chile · 1341 days ago · 149 km deep · 63 km away
- 4.097 km ENE of Iquique, Chile · 1338 days ago · 92 km deep · 52 km away · felt by 2
- 4.1141 km ESE of Iquique, Chile · 1333 days ago · 104 km deep · 85 km away
- 4.5Tarapaca, Chile · 1332 days ago · 107 km deep · 40 km away
- 5.0106 km SE of Colchane, Chile · 1326 days ago · 170 km deep · 95 km away · felt by 2
- 4.066 km ENE of La Tirana, Chile · 1311 days ago · 114 km deep · 28 km away · felt by 2
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000j5xr. Read Sat, Oct 3, 2026, 11:37 PM UTC.